Newport in context: Street-network sprawl trends
Newport in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Newport plotted against Wales and United Kingdom. The SNDi of new construction in Newport rose steadily, compared to Wales which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Newport's incremental SNDi rose from 4.53 to 5.16 between 1991-2005 and 2006-2020. In terms of the aggregate network, Newport ranked 2nd out of 5 cities in Wales and 84th out of 143 in United Kingdom as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.16
- Rank in United Kingdom
- 106th of 143
- Rank in Wales
- 2nd of 5
Entire Network (Aggregate)
- SNDi value
- 3.71
- Rank in United Kingdom
- 84th of 143
- Rank in Wales
- 2nd of 5
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Cheltenham, United Kingdom
- Bulukumba, Indonesia
- Xianghe, China
- Bontang, Indonesia
- Kwekwe, Zimbabwe
- Suiling, China
In new street additions, Newport and Bontang both built increasingly disconnected streets over time, while Cheltenham built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Newport and Bontang have been growing further apart in their street-network character since 1975.